Family name Adelsburg (Adelsburg 
) , across the world, is a very rare cognomen. The family name Adelsburg is characteristic of Italy, where it is a very rare surname, Israel, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Adelsburg | Italy, Israel, United Kingdom, United States |
| friedrich ettmayer von adelsburg (b. 1839) |
|